Davis Romero vs. Mike Willis — Career Comparison

Looking at the career totals, Davis Romero and Mike Willis are fairly close on the surface numbers. Davis Romero posted stronger numbers in ERA (3.86 vs 4.59) and home runs allowed (0.55 per nine innings vs 1.09). Mike Willis had the advantage in WHIP (1.524 vs 1.592). By the career numbers, Davis Romero had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.